13116427 has 2 divisors, whose sum is σ = 13116428. Its totient is φ = 13116426.

The previous prime is 13116413. The next prime is 13116443. The reversal of 13116427 is 72461131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13116427 is a prime.

It is not a weakly prime, because it can be changed into another prime (13117427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6558213 + 6558214.

It is an arithmetic number, because the mean of its divisors is an integer number (6558214).

Almost surely, 2^13116427 is an apocalyptic number.

13116427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13116427 is an equidigital number, since it uses as much as digits as its factorization.

13116427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 13116427 is about 3621.6608068675. The cubic root of 13116427 is about 235.8333293655.

Adding to 13116427 its reverse (72461131), we get a palindrome (85577558).

The spelling of 13116427 in words is "thirteen million, one hundred sixteen thousand, four hundred twenty-seven".